Port Feed, Filesystem, Filter, and Form package unit tests from Platform
Sync Github package to Platform 13.1
Port Google and Grid package unit tests from Platform
Port Image, Keychain, and Language package unit tests from Platform
Modify JHtmlTest::testTooltip to not delete the file
Port Mail, Mediawiki, Model, and Object package unit tests from Platform
Port Plugin, Profiler, Registry, String, and Twitter package unit tests from Platform
Port User, Utilities, and View package unit tests from Platform
Fix failures when running the full test suite